
public class InterView2 {
	public InterView2() {
		System.out.println("sdfsdfsdfsdf");
	}
	
	public static void main(String[] args) {
		//InterView2 in = new InterView2();
		StringBuffer sf1 = new StringBuffer("A");
		StringBuffer sf2 = new StringBuffer("B");
		aMethod(sf1, sf2);
		System.out.println(sf1 + ":" + sf2);
	}
	
	public static void aMethod(StringBuffer sf3,StringBuffer sf4){
		sf3.append(sf4);
		sf4 = sf3;
	}
}
